[PATCH v3 5/6] dt-bindings: display: add Unisoc's mipi dsi controller bindings

Kevin Tang
2021-01-05T13:48:01Z

From: Kevin Tang <kevin.tang@unisoc.com>

Adds MIPI DSI Controller
support for Unisoc's display subsystem.

Cc: Orson Zhai <orsonzhai@gmail.com>
Cc: Chunyan Zhang <zhang.lyra@gmail.com>
Signed-off-by: Kevin Tang <kevin.tang@unisoc.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../display/sprd/sprd,sharkl3-dsi-host.yaml | 102 +++++++++++++++++++++
1 file changed, 102 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dsi-host.yaml

diff --git a/Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dsi-host.yaml b/Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dsi-host.yaml
new file mode 100644
index 0000000..d439f68
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dsi-host.yaml
@@ -0,0 +1,102 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/sprd/sprd,sharkl3-dsi-host.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Unisoc MIPI DSI Controller
+
+maintainers:
+ - Kevin Tang <kevin.tang@unisoc.com>
+
+properties:
+ compatible:
+ const: sprd,sharkl3-dsi-host
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 2
+
+ clocks:
+ minItems: 1
+
+ clock-names:
+ items:
+ - const: clk_src_96m
+
+ power-domains:
+ maxItems: 1
+
+ ports:
+ type: object
+
+ properties:
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ port@0:
+ type: object
+ description:
+ A port node with endpoint definitions as defined in
+ Documentation/devicetree/bindings/media/video-interfaces.txt.
+ That port should be the input endpoint, usually coming from
+ the associated DPU.
+ port@1:
+ type: object
+ description:
+ A port node with endpoint definitions as defined in
+ Documentation/devicetree/bindings/media/video-interfaces.txt.
+ That port should be the output endpoint, usually output to
+ the associated panel.
+
+ required:
+ - "#address-cells"
+ - "#size-cells"
+ - port@0
+ - port@1
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/sprd,sc9860-clk.h>
+ dsi: dsi@63100000 {
+ compatible = "sprd,sharkl3-dsi-host";
+ reg = <0x63100000 0x1000>;
+ interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+ clock-names = "clk_src_96m";
+ clocks = <&pll CLK_TWPLL_96M>;
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ dsi_in: endpoint {
+ remote-endpoint = <&dpu_out>;
+ };
+ };
+ port@1 {
+ reg = <1>;
+ dsi_out: endpoint {
+ remote-endpoint = <&panel_in>;
+ };
+ };
+ };
+ };
--
2.7.4